<template>
  <div class="backTop" @click="backtop"></div>
</template>

<script>
export default {
  name: "BackTop",
  setup(props,{emit}){
    return{
      backtop:()=>{
        emit('bTop');
      }
    }
  }
}
</script>

<style scoped>
  .backTop{
    background: #fcfcfc url("~assets/images/up.png") no-repeat center center;
    width: 40px;
    height: 40px;
    position: fixed;
    bottom: 80px;
    right: 30px;
    z-index: 20;
    box-shadow: 5px 5px 5px #888888;
    border-radius: 50%;
  }
</style>